{
    "AWSTemplateFormatVersion": "2010-09-09",
    "Description": "Lambda resource stack creation using Amplify CLI",
    "Parameters": {
        "GROUP": {
            "Type": "String",
            "Default": ""
        },
        "modules": {
            "Type": "String",
            "Default": "",
            "Description": "Comma-delimited list of modules to be executed by a lambda trigger. Sent to resource as an env variable."
        },
        "resourceName": {
            "Type": "String",
            "Default": ""
        },
        "trigger": {
            "Type": "String",
            "Default": "true"
        },
        "functionName": {
            "Type": "String",
            "Default": ""
        },
        "roleName": {
            "Type": "String",
            "Default": ""
        },
        "parentResource": {
            "Type": "String",
            "Default": ""
        },
        "parentStack": {
			"Type": "String",
			"Default": ""
		},
        "env": {
            "Type": "String"
        }<%if (props.dependsOn && props.dependsOn.length > 0) { %>,<% } %>
    <% if (props.dependsOn) { %>
    <% for(var i=0; i < props.dependsOn.length; i++) { %>
    <% for(var j=0; j < props.dependsOn[i].attributes.length; j++) { %>
        "<%= props.dependsOn[i].category %><%= props.dependsOn[i].resourceName %><%= props.dependsOn[i].attributes[j] %>": {
            "Type": "String",
            "Default": "<%= props.dependsOn[i].category %><%= props.dependsOn[i].resourceName %><%= props.dependsOn[i].attributes[j] %>"
            }<%if (i !== props.dependsOn.length - 1 || j !== props.dependsOn[i].attributes.length - 1) { %>,<% } %>
        <% } %>
        <% } %>
    <% } %>
    },
    "Conditions": {
        "ShouldNotCreateEnvResources": {
            "Fn::Equals": [
                {
                    "Ref": "env"
                },
                "NONE"
            ]
        }
    },
    "Resources": {
        "LambdaFunction": {
          "Type": "AWS::Lambda::Function",
          "Metadata": {
            "aws:asset:path": "./src",
            "aws:asset:property": "Code"
          },
          "Properties": {
            "Handler": "index.handler",
            "FunctionName": {
                "Fn::If": [
                    "ShouldNotCreateEnvResources",
                    "<%= props.functionName %>",
                    {

                        "Fn::Join": [
                            "",
                            [
                                "<%= props.functionName %>",
                                "-",
                                {
                                    "Ref": "env"
                                }
                            ]
                        ]
                    }
                ]
            },
            "Environment": {
                "Variables" : {
                    "ENV": {
                        "Ref": "env"
                    },
                    "MODULES": {
                        "Ref": "modules"
                    },
                    "REGION": {
                        "Ref": "AWS::Region"
                    },
                    "GROUP": {
                        "Ref": "GROUP"
                    }
                }
            },
            "Role": { "Fn::GetAtt" : ["LambdaExecutionRole", "Arn"] },
            "Runtime": "nodejs22.x",
            "Timeout": 25
          }
        },
        "LambdaExecutionRole": {
            "Type": "AWS::IAM::Role",
            "Properties": {
                "RoleName": {
                    "Fn::If": [
                        "ShouldNotCreateEnvResources",
                        "<%=props.roleName %>",
                        {

                            "Fn::Join": [
                                "",
                                [
                                    "<%=props.roleName %>",
                                    "-",
                                    {
                                        "Ref": "env"
                                    }
                                ]
                            ]
                        }
                    ]
                },
                "AssumeRolePolicyDocument": {
                    "Version": "2012-10-17",
                    "Statement": [
                        {
                            "Effect": "Allow",
                            "Principal": {
                                "Service": [
                                    "lambda.amazonaws.com"
                                ]
                            },
                            "Action": [
                                "sts:AssumeRole"
                            ]
                        }
                    ]
                }
            }
        }
        ,"lambdaexecutionpolicy": {
            "DependsOn": ["LambdaExecutionRole"],
            "Type": "AWS::IAM::Policy",
            "Properties": {
                "PolicyName": "lambda-execution-policy",
                "Roles": [{ "Ref": "LambdaExecutionRole" }],
                "PolicyDocument": {
                    "Version": "2012-10-17",
                    "Statement": [
                        {
                            "Effect": "Allow",
                            "Action":["logs:CreateLogGroup",
                            "logs:CreateLogStream",
                            "logs:PutLogEvents"],
                            "Resource": { "Fn::Sub" : [ "arn:aws:logs:${region}:${account}:log-group:/aws/lambda/${lambda}:log-stream:*", { "region": {"Ref": "AWS::Region"},  "account": {"Ref": "AWS::AccountId"}, "lambda": {"Ref": "LambdaFunction"}} ]}
                        }
                    ]
                }
            }
        }<% if (props.categoryPolicies && props.categoryPolicies.length > 0 ) { %>
        ,"AmplifyResourcesPolicy": {
            "DependsOn": ["LambdaExecutionRole"],
            "Type": "AWS::IAM::Policy",
            "Properties": {
                "PolicyName": "amplify-lambda-execution-policy",
                "Roles": [{ "Ref": "LambdaExecutionRole" }],
                "PolicyDocument": {
                    "Version": "2012-10-17",
                    "Statement": <%- JSON.stringify(props.categoryPolicies) %>
                }
            }
        }
        <% } %>
    },
    "Outputs": {
        "Name": {
            "Value": {
                "Ref": "LambdaFunction"
            }
        },
        "Arn": {
            "Value": {"Fn::GetAtt": ["LambdaFunction", "Arn"]}
        },
        "LambdaExecutionRole": {
            "Value": {
                "Ref": "LambdaExecutionRole"
            }
        },
        "LambdaExecutionRoleArn": {
            "Value": {
                "Fn::GetAtt": ["LambdaExecutionRole", "Arn"]
            }
        },
        "Region": {
            "Value": {
                "Ref": "AWS::Region"
            }
        }
    }
}
